package com.lujianfei.powersearch.utils;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;

import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.drawerlayout.widget.DrawerLayout;

public class StatusBarUtils {
    private Activity mActivity;
    //状态栏颜色
    private int mColor = -1;
    //状态栏drawble
    private Drawable mDrawable;
    //是否是最外层布局是 DrawerLayout 的侧滑菜单
    private boolean mIsDrawerLayout;
    //是否包含 ActionBar
    private boolean mIsActionBar;
    //侧滑菜单页面的内容视图
    private int mContentResourseIdInDrawer;

    public StatusBarUtils(Activity activity) {
        mActivity = activity;
    }

    public static StatusBarUtils with(Activity activity) {
        return new StatusBarUtils(activity);
    }

    public int getColor() {
        return mColor;
    }

    public StatusBarUtils setColor(int color) {
        mColor = color;
        return this;
    }

    public Drawable getDrawable() {
        return mDrawable;
    }

    public StatusBarUtils setDrawable(Drawable drawable) {
        mDrawable = drawable;
        return this;
    }

    public boolean isDrawerLayout() {
        return mIsDrawerLayout;
    }

    public boolean isActionBar() {
        return mIsActionBar;
    }

    public StatusBarUtils setIsActionBar(boolean actionBar) {
        mIsActionBar = actionBar;
        return this;
    }

    /**
     * 是否是最外层布局为 DrawerLayout 的侧滑菜单
     *
     * @param drawerLayout 是否最外层布局为 DrawerLayout
     * @param contentId    内容视图的 id
     * @return
     */
    public StatusBarUtils setDrawerLayoutContentId(boolean drawerLayout, int contentId) {
        mIsDrawerLayout = drawerLayout;
        mContentResourseIdInDrawer = contentId;
        return this;
    }

    public void init() {
        fullScreen(mActivity);
        if (mColor != -1) {
            //设置了状态栏颜色
            addStatusViewWithColor(mActivity, mColor);
        }
        if (mDrawable != null) {
            //设置了状态栏 drawble，例如渐变色
            addStatusViewWithDrawble(mActivity, mDrawable);
        }
        if (isDrawerLayout()) {
            //未设置 fitsSystemWindows 且是侧滑菜单，需要设置 fitsSystemWindows 以解决 4.4 上侧滑菜单上方白条问题
            fitsSystemWindows(mActivity);
        }
        if (isActionBar()) {
            //要增加内容视图的 paddingTop,否则内容被 ActionBar 遮盖
            ViewGroup rootView = (ViewGroup) mActivity.getWindow().getDecorView().findViewById(android.R.id.content);
            rootView.setPadding(0, getStatusBarHeight(mActivity) + getActionBarHeight(mActivity), 0, 0);
        }
    }

    /**
     * 去除 ActionBar 阴影
     */
    public StatusBarUtils clearActionBarShadow() {
        ActionBar supportActionBar = ((AppCompatActivity) mActivity).getSupportActionBar();
        if (supportActionBar != null) {
            supportActionBar.setElevation(0);
        }
        return this;
    }

    /**
     * 设置页面最外层布局 FitsSystemWindows 属性
     *
     * @param activity
     */
    private void fitsSystemWindows(Activity activity) {
        ViewGroup contentFrameLayout = (ViewGroup) activity.findViewById(android.R.id.content);
        View parentView = contentFrameLayout.getChildAt(0);
        if (parentView != null) {
            parentView.setFitsSystemWindows(true);
            //布局预留状态栏高度的 padding
            if (parentView instanceof DrawerLayout) {
                DrawerLayout drawer = (DrawerLayout) parentView;
                //将主页面顶部延伸至status bar;虽默认为false,但经测试,DrawerLayout需显示设置
                drawer.setClipToPadding(false);
            }
        }
    }

    /**
     * 利用反射获取状态栏高度
     *
     * @return
     */
    public static int getStatusBarHeight(Activity activity) {
        int result = 0;
        //获取状态栏高度的资源id
        int resourceId = activity.getResources().getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            result = activity.getResources().getDimensionPixelSize(resourceId);
        }
        Log.e("getStatusBarHeight", result + "");
        return result;
    }

    /**
     * 获得 ActionBar 的高度
     *
     * @param context
     * @return
     */
    public static int getActionBarHeight(Context context) {
        int result = 0;
        TypedValue tv = new TypedValue();
        context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true);
        result = TypedValue.complexToDimensionPixelSize(tv.data, context.getResources().getDisplayMetrics());
        return result;
    }

    /**
     * 添加状态栏占位视图
     *
     * @param activity
     */
    private void addStatusViewWithColor(Activity activity, int color) {
        if (isDrawerLayout()) {
            //要在内容布局增加状态栏，否则会盖在侧滑菜单上
            ViewGroup rootView = (ViewGroup) activity.findViewById(android.R.id.content);
            //DrawerLayout 则需要在第一个子视图即内容试图中添加padding
            View parentView = rootView.getChildAt(0);
            LinearLayout linearLayout = new LinearLayout(activity);
            linearLayout.setOrientation(LinearLayout.VERTICAL);
            View statusBarView = new View(activity);
            ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                    getStatusBarHeight(activity));
            statusBarView.setBackgroundColor(color);
            //添加占位状态栏到线性布局中
            linearLayout.addView(statusBarView, lp);
            //侧滑菜单
            DrawerLayout drawer = (DrawerLayout) parentView;
            //内容视图
            View content = activity.findViewById(mContentResourseIdInDrawer);
            //将内容视图从 DrawerLayout 中移除
            drawer.removeView(content);
            //添加内容视图
            linearLayout.addView(content, content.getLayoutParams());
            //将带有占位状态栏的新的内容视图设置给 DrawerLayout
            drawer.addView(linearLayout, 0);
        } else {
            //设置 paddingTop
            ViewGroup rootView = (ViewGroup) mActivity.getWindow().getDecorView().findViewById(android.R.id.content);
            rootView.setPadding(0, getStatusBarHeight(mActivity), 0, 0);
            //直接设置状态栏颜色
            activity.getWindow().setStatusBarColor(color);
        }
    }

    /**
     * 添加状态栏占位视图
     *
     * @param activity
     */
    private void addStatusViewWithDrawble(Activity activity, Drawable drawable) {
        //占位状态栏
        View statusBarView = new View(activity);
        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                getStatusBarHeight(activity));
        statusBarView.setBackground(drawable);
        if (isDrawerLayout()) {
            //要在内容布局增加状态栏，否则会盖在侧滑菜单上
            ViewGroup rootView = (ViewGroup) activity.findViewById(android.R.id.content);
            //DrawerLayout 则需要在第一个子视图即内容试图中添加padding
            View parentView = rootView.getChildAt(0);
            LinearLayout linearLayout = new LinearLayout(activity);
            linearLayout.setOrientation(LinearLayout.VERTICAL);
            //添加占位状态栏到线性布局中
            linearLayout.addView(statusBarView, lp);
            //侧滑菜单
            DrawerLayout drawer = (DrawerLayout) parentView;
            //内容视图
            View content = activity.findViewById(mContentResourseIdInDrawer);
            //将内容视图从 DrawerLayout 中移除
            drawer.removeView(content);
            //添加内容视图
            linearLayout.addView(content, content.getLayoutParams());
            //将带有占位状态栏的新的内容视图设置给 DrawerLayout
            drawer.addView(linearLayout, 0);
        } else {
            //增加占位状态栏，并增加状态栏高度的 paddingTop
            ViewGroup decorView = (ViewGroup) mActivity.getWindow().getDecorView();
            decorView.addView(statusBarView, lp);
            //设置 paddingTop
            ViewGroup rootView = (ViewGroup) mActivity.getWindow().getDecorView().findViewById(android.R.id.content);
            rootView.setPadding(0, getStatusBarHeight(mActivity), 0, 0);
        }
    }

    /**
     * 通过设置全屏，设置状态栏透明
     *
     * @param activity
     */
    private void fullScreen(Activity activity) {
        {
            //5.x开始需要把颜色设置透明，否则导航栏会呈现系统默认的浅灰色
            Window window = activity.getWindow();
            View decorView = window.getDecorView();
            //两个 flag 要结合使用，表示让应用的主体内容占用系统状态栏的空间
            int option = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            decorView.setSystemUiVisibility(option);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
            //导航栏颜色也可以正常设置
//                window.setNavigationBarColor(Color.TRANSPARENT);
        }
    }

    /**
     * 通过设置全屏，设置状态栏透明 导航栏黑色
     *
     * @param activity
     */
    public static void setStatusTransparent(Activity activity) {
            Window window = activity.getWindow();

            WindowManager.LayoutParams attributes = window.getAttributes();
            int flagTranslucentStatus = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
            int flagTranslucentNavigation = WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION;
//                attributes.flags |= flagTranslucentStatus;
            attributes.flags |= flagTranslucentNavigation;
            window.setAttributes(attributes);

            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
            window.setNavigationBarColor(Color.TRANSPARENT);
    }
}
